Hanuise, C.; Hedberg, A.; Oksman, J.; Nielsen, E.; Stubbe, P.; Kopka, H.: Comparison between the ionospheric plasma drift and the motion of artificially induced irregularities as observed by HF backscatter radars. Annales Geophysicae 4, p. 49 (1986)
Opgenoorth, H. J.; Oksman, J.; Kaila, K. U.; Nielsen, E.; Baumjohann, W.: Characteristics of eastward drifting omega bands in the morining sector of the auroral oval. Journal Geophysical Research 88, p. 9171 (1983)
Oksman, J.; Leitinger, R.; Hartmann, G.; Hedberg, A.: Afternoon radar aurora and polar cap convectin pattern. In: Proc. Conf. Achievements of the IMS, p. 1291. ESA Publ. Div., Noordwijk (1984)
The Uranian magnetic field is more expansive than previously thought, according to newly analyzed data from Voyager 2, making it easier to search for moons with oceans.